diff -urN cui92/term.c cui93/term.c
--- cui92/term.c	Tue Apr  1 22:00:00 2014
+++ cui93/term.c	Tue Apr  1 23:20:00 2014
@@ -12,6 +12,9 @@
 #include <ctype.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <sys/wait.h>
 
 #ifdef __FreeBSD__
 #include <libutil.h>
@@ -408,20 +411,80 @@
 
 #define TIMEOUT_MSEC	(3*1000)
 
-static int
+typedef struct trm_list *trm_list;
+
+struct trm_list{
+	cui obj;
+	trm_list next;
+};
+
+static trm_list t_list = NULL;
+
+static void
+trm_list_add(cui obj)
+{
+	trm_list p;
+	if((p = malloc(sizeof(struct trm_list))) == NULL) ERR("No Mem");
+	p->obj = obj;
+	p->next = t_list;
+	t_list = p;
+}
+
+static void
+trm_list_del(cui obj)
+{
+	trm_list p = t_list, *prev = &t_list;
+	for(; p; prev=&p->next, p=p->next) if(p->obj == obj) break;
+	if(p == NULL) return;
+	*prev = p->next;
+	free(p);
+}
+
+static void
+sig_hdr(int sig)
+{
+	int  pid;
+	trm_list p;
+	cui_terminal t;
+
+	if(sig != SIGCHLD) return;
+	pid = wait(NULL);
+	for(p=t_list; p; p=p->next){
+		t = (cui_terminal)p->obj;
+		if(t->pid == pid) break;
+	}
+	if(p == NULL) return;
+	t = (cui_terminal)p->obj;
+	cui_readable_del(p->obj, t->pipe_r);
+	trm_list_del(p->obj);
+}
+
+static void
 boot_sh(cui obj)
 {
+	cui_terminal p = (cui_terminal)obj;
 	int ret, master;
+	signal(SIGCHLD, sig_hdr);
 #if defined(__FreeBSD__)
 	if((ret = forkpty(&master, NULL, NULL, NULL)) < 0) ERR("forkpy");
-	if(ret != 0) return master; /* parent */
+	if(ret != 0){ /* parent */
+		p->pipe_r = p->pipe_w = master;
+		p->pid = ret;
+		trm_list_add(obj);
+		return;
+	}
 #else /* defined(__linux__) */
 	int slave;
 	char *name;
 
 	if((master = posix_openpt(O_RDWR)) < 0) ERR("posix_openpt");
 	if((ret = fork()) < 0) ERR("fork");
-	if(ret != 0) return master; /* parent */
+	if(ret != 0){ /* parent */
+		p->pipe_r = p->pipe_w = master;
+		p->pid = ret;
+		trm_list_add(obj);
+		return;
+	}
 
 	/* child */
 	setsid();
@@ -436,7 +499,6 @@
 	cui_dbg_close();
 	execl("/bin/sh", "/bin/sh", "-i", (char *)NULL);
 	exit(0);
-	return 0; /* not reach */
 }
 
 cui
@@ -463,7 +525,7 @@
 	p->fill_r = cui_fill_new(obj, w-1, 0, 1, h-1, "|", CUI_ATTR_NORMAL);
 	p->rszbox = cui_rszbox_new(obj);
 
-	p->pipe_r = p->pipe_w = boot_sh(obj);
+	boot_sh(obj);
 
 	evts = CUI_EVT_DRAW|CUI_EVT_KEY|CUI_EVT_RESIZE|CUI_EVT_TIMER|CUI_EVT_READABLE;
 	cui_bind(obj, evts, cui_terminal_hdr, NULL);
@@ -527,7 +589,9 @@
 		return TRUE;
 
 	case CUI_EVT_READABLE:
-		if((n = read(p->pipe_r, buf, 1024-1)) < 0) ERR("read");
+		if((n = read(p->pipe_r, buf, 1024-1)) < 0){
+			return TRUE;
+		}
 		buf[n] = '\0';
 		cui_term_puts(p->term, buf);
 		return TRUE;
diff -urN cui92/term.h cui93/term.h
--- cui92/term.h	Tue Apr  1 22:00:00 2014
+++ cui93/term.h	Tue Apr  1 23:20:00 2014
@@ -22,7 +22,7 @@
 	cui term, fill_l, fill_r, rszbox;
 	int in_key_mode;
 	int pipe_r, pipe_w;
-
+	int pid;
 } *cui_terminal;
 
 cui cui_term_new(cui parent, int x, int y, int w, int h);